Hello, im taking an introduction to PLC..and i'm having a hard time on cr

Hello, im taking an introduction to PLC..and i'm having a
hard time on creating a program for 2 lamps blinking
alternately with this button characteristics:
1.) One push button (starts upon pressing)
2.) Same push button (when pressed again, will pause the
system)
3.) Same push button (when pressed again, will continue the
paused system)
4.) Same push button (when pressed within 2 seconds, will
shut off the system)

Pls..i know this is just a simple problem for you guys..

Question Posted / jmrecio1

2 Answers
4263 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Hello, im taking an introduction to PLC..and i'm having a hard time on creating a program for..

Answer / r.sundarraj

First draw relay logic and then given 1)connection from one push button connected through relay common point &take o/p in both lamps from NC via. 2)again press the NC button system pause .
3)now holding purpose taken another 1NO,1NC now system will not run
4)final NC o/p connected off delay timer
system power off

Is This Answer Correct ?

0 Yes

0 No

Hello, im taking an introduction to PLC..and i'm having a hard time on creating a program for..

Answer / milind

you have to keep latched the push button(start) in programe
and have to off the o/p coil when next pressed again.

Is This Answer Correct ?

0 Yes

1 No

Post New Answer

More Electrical Engineering Interview Questions

how many types of ACB breakers, describe briefly..?

0 Answers

How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

0 Answers

what is meant by re-rolling motor? how it differs from standard motor?

0 Answers

what is function of INVERTER

4 Answers

If the (Motor control center)Panel work on field the relay used in panel in the case this will be damage and no indication provide on panel.fault occur in panel and MCB will not trip. how happen the relay damage in panel and what effect of panel.

1 Answers

What are the solutions for avioding sulfide formation at bimetalic (Copper &Aluminium)overhead joints?

2 Answers HAL,

what material used made for the resistance,for the purpose of zero temperature coefficient?

2 Answers

Make a list observation on Transformer?

0 Answers HSL,

Dear all, kindly give me the details of leectrical design engineer course details/institute in hyderabad /any where in india.

1 Answers Reliance,

1- What is the Polarization Index number be good for 15KV 3c#500MCM electrical cable? 2- Can I use the IEEE Std 43-2000 to perfom the PI test? Thanks

0 Answers

What are the necessary components of the feedback control system?

0 Answers

what is voltage,current,restance,. what is single phase&three phase motar. what is basic electrical 'farmoulas. what is defirens quetions of electrical maintenance.

2 Answers

For more Electrical Engineering Interview Questions Click Here